(a)In this part "organization" refers to an organization or a person engaged in one or more of the following activities, namely:--(i)design and manufacture of aircraft, aircraft components and items of equipments including materials, forging, castings, standard parts;(ii)maintenance, overhaul, modification repair, inspection, treatment, processing of aircraft components and items of equipment;(iii)manufacture, storage, distribution and supply of aircraft fuel, lubricants, special products;